Weather Developing Storms are Expected to Bring Rainfall to Most Oklahomans Tonight and High Values of Grass, Weed and Mold Pollen are Expected This Weekend By OU Nightly on March 4, 2021 • ( Leave a comment ) With Hayden Giller Share this:TwitterFacebookEmailRedditPinterestPocketLinkedInTumblrLike this:Like Loading... Related Categories: Weather, Weather Briefs Tagged as: pollen index, rainfall, Storms, wx brief